MDB50 vacuum mug. The vacuum flask, specially developed for carbonated drinks, is completely "bubble-proof". The leak-proof stainless steel bottle is fitted with a hygienic stopper and can therefore be operated with just one hand. No carbon dioxide escapes and no overflowing when opened. The lightweight and practical thermos flask is particularly suitable for on the go. It is easy to clean, reusable and therefore particularly environmentally friendly. Volume 0.5 l.